N2WS-19463 - SSM backup fails with ValueError
During backup of an EC2 instance with SSM option enabled, agent might crash with following error in the cpm_agent.log:
ERROR:
backup_function(agent.py:2644) Failing since backup function caught an
exception for policy policy_name, schedule Immediate (ASAP),
retry: 0.Traceback (most recent call
last):
File
"./agent.py", line 2638, in backup_function
File
"./agent.py", line 2847, in backup_function_internal
File
"./agent.py", line 399, in wait_for_snapshots
File
"./agent.py", line 820, in wait_for_ssm_agent_vss_backup_strategies
File
"./agent.py", line 888, in wait_for_snapshots_inner_volumes_handlingValueError: list.remove(x): x
not in list
Solution:
- Patch for v4.0.0b available and attached to this KB